IEC 60151-4:1963 pdf download,Measurements of the electrical properties of electronic tubes and valves - Part 4: Methods of measuring noise factor 电子管和阀门电气特性的测...
IEC 60151-1:1963 pdf download,Measurements of the electrical properties of electronic tubes and valves - Part 1: Measurement of electrode current. 电子管和阀门电气特性的测...
IEC 60063:1963,Preferred number series for resistors and capacitors. Second edition (1963) incorporating Amendments No. 1 (1967) and No. 2 (1977). 电阻器和电容器的首选数字...
IEC 60145:1963 Var-hour (reactive energy) meters,无功电能表. 1.SCOPE The present recommendations apply only to newly manufactured induction type var-hour meters for the measure...
IEC 60152:1963 pdf download,Identification by hour numbers of the phase conductors of 3-phase electric systems. 三相电系统的相导线按小时数进行识别 1.ob
IEC 60144:1963 pdf download,Degrees of protection of enclosures for low-voltage switchgear and controlgear 低压开关设备和控制设备外壳的防护等级 1.Scope This recomm...
IEC 60100:1962 pdf download,Methods for the measurement of direct interelectrode capacitances of electronic tubes and valves. 电子管和电子阀直接电极间电容的测量方法...
IEC 60096-2:1961 pdf download,Radio-frequency cables - Part 2: Relevant cable specifications. 射频电缆 第2部分：相关电缆规范...
IEC 60134:1961 pdf download,Rating systems for electronic tubes and valves and analogous semiconductor devices. 电子管和电子管以及类似的半导体器件的评级系统。...
ASME B5.11-1964 pdf download 主轴鼻和多轴钻头可调适配器. Spindle Noses And Adjustable Adapters For Multiple Spindle Drilling Heads. This Standard is to provide the mean...
